Whooping cough is an infection of the lining of the airways. It mainly affects the windpipe and the two airways that branch off from it to the lungs.
Daybreak's Health Editor Dr Hilary Jones explains;
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An Atlantic frontal system brings rain across northwest Scotland and Northern Ireland overnight.
A memorial to honour the service of millions of men and women from Africa and the Caribbean during the two world wars has been unveiled.
South Africa's president often seems able to survive anything, writes John Ray - but a vote of no confidence held in secret may change that.